If you’re not adjusting the settings on your washing machine’s control panel, you’re doing your laundry wrong. Modern washers usually have dozens of cycles, settings, and options, and while some are pure fluff, others can help scrub away stubborn stains and dingy buildup, get rid of odors and residue, and save you time and money.I’ve been writing about and reviewing washing machines since 2011. I also helped design and launch Wirecutter’s laundry lab, where we’ve tested dozens of washers and detergents since 2019. Based on what I’ve seen in tests and learned from engineers, repair techs, and pros from all corners of the industry, here are the 10 most important settings on your washing machine to keep your clothes and linens looking, smelling, and feeling their best.